Open access journals defined as "journals that use a funding model that does not charge readers or their institutions for access."

Quality Control:

The journal must exercise peer-review or editorial quality control to be included.

Research Journal:

Journals that report primary results of research or overviews of research results to a scholarly community.

Periodical:

A serial appearing or intended to appear indefinitely at regular
intervals, generally more frequently than annually, each issue of which
is numbered or dated consecutively and normally contains separate
articles, stories, or other writings.